<% on ||= 1 %>
<div id="nav2">
  <ul>
    <li rel="subnav1"><a href="/admin/admin_users" <%= is_on?(on, 1) %>>用户管理</a></li>
    <li rel="subnav2"><a href="/admin/admin_users/new" <%= is_on?(on, 2) %>>添加用户</a></li>
  </ul>
</div>
